Patents by Inventor Christopher J. Hertel
Christopher J. Hertel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11534863Abstract: A method for treating a surface of a contoured titanium substrate used for adhesively bonded engine components. The method including applying energy from a fiber laser system to a contoured surface of a titanium substrate, the laser energy is distributed to the contoured titanium surface by at least one of direct light of sight, reflection, or scattering of one or more laser beam.Type: GrantFiled: January 22, 2019Date of Patent: December 27, 2022Assignee: Raytheon Technologies CorporationInventors: Xiaomei Fang, John D. Riehl, Christopher J. Hertel, Dmitri Novikov, Henry H. Thayer, Donald H. Spencer
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Patent number: 11268526Abstract: Plated polymeric gas turbine engine parts and methods for fabricating lightweight plated polymeric gas turbine engine parts are disclosed. The parts include a polymeric substrate plated with one or more metal layers. The polymeric material of the polymeric substrate may be structurally reinforced with materials that may include carbon, metal, or glass. The polymeric substrate may also include a plurality of layers to form a composite layup structure.Type: GrantFiled: July 9, 2014Date of Patent: March 8, 2022Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: James T. Roach, Barry Barnett, Grant O. Cook, III, Charles R. Watson, Shari L. Bugaj, Glenn LeVasseur, Wendell V. Twelves, Jr., Christopher J. Hertel, Colin J. Kling, Matthew A. Turner, JinQuan Xu, Steven Clarkson, Michael Caulfield
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Publication number: 20200316721Abstract: Methods and systems for the laser surface treatment on stainless steel alloys and nickel alloys may include a computer may be programmed to set a laser path corresponding to a predetermined geometric pattern. A laser may be coupled to the computer and apply a pulsed laser beam to a contact surface of the substrate along the predefined geometric pattern. The pulsed laser beam may have a laser power between 0.1 W and 100 W, single pulse fluence 1 mJ/mm2 and 1025 mJ/mm2 and a laser speed between 25.4 cm/s and 127 cm/s. The laser may generate an open pore oxide layer on the contact surface of the substrate with a thickness of 0.1-1 ?m, an open pore distance of 0.05-1 ?m. The open pore oxide layer may have a topography corresponding to the predefined geometric pattern. The topography may contain open pore structures and promote adhesive bond performance.Type: ApplicationFiled: April 3, 2020Publication date: October 8, 2020Applicants: UNITED TECHNOLOGIES CORPORATION, UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASAInventors: XIAOMEI FANG, Christopher J. Hertel, John D. Riehl, John W. Connell, Frank L. Palmieri, John W. Hopkins
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Publication number: 20200230742Abstract: A method for treating a surface of a contoured titanium substrate used for adhesively bonded engine components. The method including applying energy from a fiber laser system to a contoured surface of a titanium substrate, the laser energy is distributed to the contoured titanium surface by at least one of direct light of sight, reflection, or scattering of one or more laser beam.Type: ApplicationFiled: January 22, 2019Publication date: July 23, 2020Inventors: Xiaomei Fang, John D. Riehl, Christopher J. Hertel, Dmitri Novikov, Henry H. Thayer, Donald H. Spencer
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Patent number: 10677068Abstract: A fan of a gas turbine engine includes a plurality of fan blades secured to a rotor, each of the plurality of fan blades having an airfoil secured to the rotor at one end, wherein the airfoil comprises pockets filled with an elastomeric composite.Type: GrantFiled: January 18, 2018Date of Patent: June 9, 2020Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: James O. Hansen, William R. Graves, Michael A. Weisse, Christopher J. Hertel, Daniel A. Bales
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Publication number: 20190218914Abstract: A fan of a gas turbine engine includes a plurality of fan blades secured to a rotor, each of the plurality of fan blades having an airfoil secured to the rotor at one end, wherein the airfoil comprises pockets filled with an elastomeric composite.Type: ApplicationFiled: January 18, 2018Publication date: July 18, 2019Inventors: James O. Hansen, William R. Graves, Michael A. Weisse, Christopher J. Hertel, Daniel A. Bales
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Patent number: 10294573Abstract: An electroformed sheath for protecting an airfoil includes a sheath body and a mandrel insert is provided. The sheath body includes a leading edge. The sheath body includes a pressure side wall and an opposed suction side wall, which side walls meet at the leading edge and extend away from the leading edge to define a cavity between the side walls. The sheath body includes a head section between the leading edge and the cavity. The mandrel insert is positioned between the pressure side and suction side walls, and includes a generally wedge-shaped geometry. A method for protecting an airfoil includes: 1) securing a mandrel insert to a mandrel; 2) electroplating a sheath body onto the mandrel and the mandrel insert; 3) removing the mandrel from the sheath body so that a sheath cavity is defined within the sheath body; and 4) securing the airfoil within the sheath cavity.Type: GrantFiled: March 11, 2015Date of Patent: May 21, 2019Assignee: United Technologies CorporationInventors: Joseph Parkos, Jr., James O. Hansen, Christopher J. Hertel, Andrew J. Murphy, Ashley P. Phillips, Jay Thomas Abraham
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Patent number: 10260351Abstract: An airfoil for a gas turbine engine includes a substrate and a sheath providing an edge. A cured adhesive secures the sheath to the substrate. The cured adhesive has a fillet that extends beyond the edge that includes a mechanically worked finished surface. A method of manufacturing the airfoil includes the steps of securing a sheath to a substrate with adhesive, curing the adhesive, and mechanically removing a portion of the adhesive extending beyond the sheath.Type: GrantFiled: March 16, 2012Date of Patent: April 16, 2019Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Michael Parkin, James O. Hansen, Christopher J. Hertel, David R. Lyders
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Patent number: 10087948Abstract: A fan blade and method of covering a fan blade root portion for a gas turbine engine are disclosed. The fan blade includes an airfoil having a leading edge end and a trailing edge end, a root portion having a first side surface extending from the leading edge end to the trailing edge end and a second side surface at an opposite side of the first side surface and extending from the leading edge end to the trailing edge end, and a covering disposed against the first side surface and the second side surface, wherein the covering is positioned against the root portion as a single member.Type: GrantFiled: March 30, 2015Date of Patent: October 2, 2018Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Lee Drozdenko, James O. Hansen, Christopher J. Hertel, Steven T. Holland
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Patent number: 10081139Abstract: A process for manufacturing a ceramic matrix composite component, said process comprising inserting at least one fibrous sheet into a resin transfer molding system. The process includes wetting the at least one fibrous sheet with a pre-ceramic polymer resin. The process includes applying a pressure to the at least one fibrous sheet and pre-ceramic polymer resin with an intensifier responsive to thermal expansion and curing the pre-ceramic polymer resin.Type: GrantFiled: February 10, 2015Date of Patent: September 25, 2018Assignee: United Technologies CorporationInventors: Michael G Abbott, Kathryn S Read, Christopher J Hertel
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Publication number: 20180038386Abstract: A fan blade assembly for a gas turbine engine includes a blade body, a blade cover secured to the blade body and an adhesive layer to secure the blade cover to the blade body, the adhesive layer configured to set at ambient temperature. A method of forming a fan blade assembly for a gas turbine engine includes forming a blade body, forming a blade cover separate from the blade body, and adhering the blade cover to the blade body via an adhesive layer located between the blade body and the blade cover, the adhesive layer configured to set at ambient temperature.Type: ApplicationFiled: August 8, 2016Publication date: February 8, 2018Inventors: Larry Foster, Christopher J. Hertel
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Patent number: 9752441Abstract: A rotary blade is provided that includes a root, an airfoil, and a tip insert. The airfoil is attached to the root, and has a suction side surface, a pressure side surface, a leading edge, a trailing edge, a tip, and a slot disposed within the tip. The slot extends in a chordwise direction between the leading edge and trailing edge. The tip insert has a base end and a rub end. The base end of the tip insert is disposed within the slot. The rub end of the tip insert extends radially outward from the airfoil tip.Type: GrantFiled: January 31, 2012Date of Patent: September 5, 2017Assignee: United Technologies CorporationInventors: Gregory C. Hildebrand, James O. Hansen, Joseph Parkos, Jr., Michael A. Weisse, Christopher J. Hertel, Jesse Meyer
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Publication number: 20160290356Abstract: A fan blade and method of covering a fan blade root portion for a gas turbine engine are disclosed. The fan blade includes an airfoil having a leading edge end and a trailing edge end, a root portion having a first side surface extending from the leading edge end to the trailing edge end and a second side surface at an opposite side of the first side surface and extending from the leading edge end to the trailing edge end, and a covering disposed against the first side surface and the second side surface, wherein the covering is positioned against the root portion as a single member.Type: ApplicationFiled: March 30, 2015Publication date: October 6, 2016Inventors: Lee Drozdenko, James O. Hansen, Christopher J. Hertel, Steven T. Holland
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Publication number: 20160229130Abstract: A process for manufacturing a ceramic matrix composite component, said process comprising inserting at least one fibrous sheet into a resin transfer molding system. The process includes wetting the at least one fibrous sheet with a pre-ceramic polymer resin. The process includes applying a pressure to the at least one fibrous sheet and pre-ceramic polymer resin with an intensifier responsive to thermal expansion and curing the pre-ceramic polymer resin.Type: ApplicationFiled: February 10, 2015Publication date: August 11, 2016Inventors: Michael G. Abbott, Kathryn S. Czaja, Christopher J. Hertel
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Publication number: 20160160863Abstract: Plated polymeric gas turbine engine parts and methods for fabricating lightweight plated polymeric gas turbine engine parts are disclosed. The parts include a polymeric substrate plated with one or more metal layers. The polymeric material of the polymeric substrate may be structurally reinforced with materials that may include carbon, metal, or glass. The polymeric substrate may also include a plurality of layers to form a composite layup structure.Type: ApplicationFiled: July 9, 2014Publication date: June 9, 2016Inventors: James T. Roach, Barry Barnett, Grant O. Cook, Charles R. Watson, Shari L. Bugaj, Glenn LeVasseur, Wendell V. Twelves, Christopher J. Hertel, Colin J. Kling, Matthew A. Turner, JinQuan Xu, Steven Clarkson, Michael Caulfield
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Publication number: 20160153287Abstract: Plated polymeric gas turbine engine parts and methods for fabricating lightweight plated polymeric gas turbine engine parts are disclosed. The parts include a polymeric substrate plated with one or more metal layers. The polymeric material of the polymeric substrate may be structurally reinforced with materials that may include carbon, metal, or glass. The polymeric substrate may also include a plurality of layers to form a composite layup structure.Type: ApplicationFiled: July 9, 2014Publication date: June 2, 2016Inventors: James T. Roach, Grant O. Cook, Lakshminarayan S. Bettagere, Jonathan F. Zimmitti, Majidullah Dehlavi, Shari L. Bugaj, Charles R. Watson, Brian D. Walter, Andrew G. Alarcon, Sarah M. Wall, Christopher J. Hertel, Octavio Martin, Thomas J. Robertson, Aaron Beaudry, Jeffrey J. Scalia, Joseph J. Wassel, Joe Ott, Barry Barnett, Glenn Levasseur
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Publication number: 20160033040Abstract: A component to be repaired includes a relatively rigid plate. On a surface that may have been subject to fracture, a resin material is first laid down, then a relatively flexible material is positioned outwardly of the resin material to repair the barrier. A part may also be formed initially with the flexible material. In another feature of this application, a method of forming a barrier includes providing a composite material, and applying a relatively flexible material on a surface of the composite material, and concurrently molding the relatively flexible material with the composite material using a composite mold.Type: ApplicationFiled: April 17, 2015Publication date: February 4, 2016Inventors: Ted H. Lancaster, William Bogue, Brian Kenneth Holland, Christopher J. Hertel
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Publication number: 20150184306Abstract: An electroformed sheath for protecting an airfoil includes a sheath body and a mandrel insert is provided. The sheath body includes a leading edge. The sheath body includes a pressure side wall and an opposed suction side wall, which side walls meet at the leading edge and extend away from the leading edge to define a cavity between the side walls. The sheath body includes a head section between the leading edge and the cavity. The mandrel insert is positioned between the pressure side and suction side walls, and includes a generally wedge-shaped geometry. A method for protecting an airfoil includes: 1) securing a mandrel insert to a mandrel; 2) electroplating a sheath body onto the mandrel and the mandrel insert; 3) removing the mandrel from the sheath body so that a sheath cavity is defined within the sheath body; and 4) securing the airfoil within the sheath cavity.Type: ApplicationFiled: March 11, 2015Publication date: July 2, 2015Inventors: Joseph Parkos, Jr., James O. Hansen, Christopher J. Hertel, Andrew J. Murphy, Ashley P. Phillips, Jay Thomas Abraham
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Patent number: 9061469Abstract: A component to be repaired includes a relatively rigid plate. On a surface that may have been subject to fracture, a resin material is first laid down, then a relatively flexible material is positioned outwardly of the resin material to repair the barrier. A part may also be formed initially with the flexible material. In another feature of this application, a method of forming a barrier includes providing a composite material, and applying a relatively flexible material on a surface of the composite material, and concurrently molding the relatively flexible material with the composite material using a composite mold.Type: GrantFiled: March 25, 2008Date of Patent: June 23, 2015Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Ted H. Lancaster, William Bogue, Brian Kenneth Holland, Christopher J. Hertel
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Patent number: 9004112Abstract: An apparatus and method for repairing defects in composite materials using a tapered disk sized to fit the part being repaired. Also included is a bolt sized to fit through a central hole in the disk. A spring is positioned on the bolt with a washer. A nut is attached to the end of the bolt and tightened to place pressure on the washer to compress the biasing device. An adhesive is applied to the tapered disk prior to engaging the composite material. A threaded bushing is used to fixedly attach a second bolt completely in the hole.Type: GrantFiled: March 12, 2012Date of Patent: April 14, 2015Assignee: United Technologies CorporationInventors: Christopher J. Hertel, Thomas L. Cumella, Anthony Rivera